ST 97 – interchangeable spare parts

ST 97 movement

Which spare parts fit the ST 97 movement? For every part you can see which other calibers use the same part according to the original interchangeability list.

25Parts with interchange data

19Calibers sharing parts

Note: We have compiled this overview to the best of our knowledge and belief, based on the original interchangeability lists of ST and the original spare-part labels. All information has been carefully checked but is provided without guarantee. Please verify the interchangeability yourself before fitting, especially the height, diameter and execution of the part.

🛒 Spare parts for ST 97 in our shop

Standard Watch Parts for ST 69, ST 69-21, ST 69N, ST 691, ST 974, ST 1800, ST 97 – NOS10,95 € – 24,95 € incl. VAT *View item ›

Jeweled Pallet Fork and Staff for ST 97 and ST 974 – Part 71014,90 € incl. VAT *View item ›

Escape Wheel for ST 97 and ST 974 – Part 70515,90 € incl. VAT *View item ›

Setting Lever Return-Spring for ST 97 – Part 482 – Factory Packaged12,95 € incl. VAT *View item ›

Ratchet Wheel for ST 97 and ST 974 – Part 41512,90 € incl. VAT *View item ›

Hour Wheel for Sweep Second for ST 97 and ST 974 – Part 25510,90 € incl. VAT *View item ›

More items for ST 97 in our shop →

🔧 Interchangeable parts

Part no.	Description	Also fits
182ISO 20.030	Barrel and cover	ST 974
195ISO 20.060	Barrel arbor	ST 974
206ISO 30.015	Center wheel	ST 974
210ISO 30.025	Third wheel	ST 974
227ISO 30.027	Sweep second wheel	ST 974 Height 626 ST 974
245ISO 31.080	Cannon pinion with clam notch	ST 974 Height 210 ST 974
255ISO 31.046	Hour wheel	ST 974 Height 140 ST 974
260ISO 31.041	Minute wheel	FHF 74 ST 96 ST 96-4 ST 96-4N ST 96N ST 969 ST 969-4 ST 969-4N ST 969N ST 974
307ISO 40.301	Regulator with adjustable stud holder, for flat hairspring	ST 974
311ISO 70.800	Upper cap jewel with end-piece	ST 974
330ISO 70.801	Lower cap jewel with end-piece	ST 974
401ISO 51.010	Winding stem	FHF 74 FHF 74-2 FHF 74-4 FHF 74-4N FHF 741 FHF 745 FHF 745-4 FHF 745-4N FHF 74 ST 96 ST 96-4 ST 96-4N ST 96N ST 969 ST 969-4 ST 969-4N ST 969N ST 974
407ISO 31.121	Clutch wheel	FHF 74 ST 96 ST 96-4 ST 96-4N ST 96N ST 969 ST 969-4 ST 969-4N ST 969N ST 974
410ISO 31.120	Winding pinion	FHF 74 ST 96 ST 96-4 ST 96-4N ST 96N ST 969 ST 969-4 ST 969-4N ST 969N ST 974
415ISO 31.020	Ratchet wheel	ST 974
420ISO 31.023	Crown wheel	FHF 74 ST 96 ST 96-4 ST 96-4N ST 96N ST 969 ST 969-4 ST 969-4N ST 969N ST 974
422ISO 81.067	Crown wheel ring	FHF 67 ST 96 ST 96-4 ST 96-4N ST 96N ST 969 ST 969-4 ST 969-4N ST 969N ST 974
425ISO 51.120	Click	FHF 55 ST 96 2e ST 96-4 ST 969 ST 969-4 ST 974
430ISO 61.080	Click spring	FHF 55 ST 96 ST 96-4 ST 969 ST 969-4 ST 974
435ISO 51.050	Yoke	ST 974
440ISO 61.100	Yoke spring	ST 974
443/1ISO 51.080.06	Setting lever, assembled	ST 974
450ISO 31.100	Setting wheel	FHF 74 ST 96 ST 96-4 ST 96-4N ST 96N ST 969 ST 969-4 ST 969-4N ST 969N ST 974
705ISO 30.040	Escape wheel and pinion	ST 974
710ISO 40.010	Jewelled pallet fork and stat	ST 974

Source: original interchangeability lists of ST (checked transcription) and checked original spare-part labels · as of 2026-10-28. Height / execution: the part fits only in this height or execution.

🌀 Matching mainspring

Mainspring dimensions for ST 97 (height × diameter × thickness × length) and matching mainspring in our shop:

ST 97: 1.50 × 10.5 × 0.12 × 400 mm (GR 4180-1)

📄 Technical document

View the original document for FHF 97 online:

FHF ST 97-974 – Ø 25.60 mm

🔗 Movements sharing the most parts

→ All calibers of ST

❓ Frequently asked questions

Which ST 97 spare parts also fit other movements?

For the ST 97, 25 part numbers are listed as interchangeable. Together they fit 19 other calibers – the table below shows which part fits which movement.

Which movements share the most parts with the ST 97?

The most shared parts: ST 974 (28 parts), ST 96 (9 parts), ST 96-4 (9 parts).

Which mainspring fits the ST 97?

According to the Générale Ressorts catalogue (height × diameter × thickness × length): 1.50 × 10.5 × 0.12 × 400 mm (GR 4180-1, hand-wound, special version (1)).